压缩字符串
简单阿里巴巴字符串/双指针
题目描述
给定一个字符数组 chars，使用以下算法压缩：从空字符串开始，对于每组连续重复字符，先追加字符再追加计数（计数1省略）。将结果写回原数组并返回新长度。使用双指针原地修改。
示例
输入:
chars = ["a","a","b","b","c","c","c"]输出:
6, chars = ["a","2","b","2","c","3"]solution.ts
输出结果
点击「运行代码」按钮查看结果...